• Reference & Education, Legal
• SPARSEIMAGE file viewer
• July 24, 2026

7 Things You Should Know About SPARSEIMAGE Files A SPARSEIMAGE file is a macOS disk image file that works like a virtual drive stored inside a single file. It can hold documents, folders, backups, private data, or encrypted files, and it expands only as more data is added. If you received or found a SPARSEIMAGE file and cannot open it, …